Elon Musk just changed course: A Moon city comes before Mars. Here's why SpaceX is prioritizing lunar settlement over the Red Planet—for now.

Mars has long captivated scientists with its mysterious volcanic landscape, but new revelations are changing the way we ...

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

Mars keeps refusing to behave like the dead, simple world many scientists once imagined. Each new rover trench, fractured boulder and orbital scan is turning up stranger chemistry, unexpected ...

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a dramatic rise in ozone. Scientists found that the lack of sunlight and moisture ...

Mini-lightning strikes created by whirling dust devils on Mars have been detected accidentally by the microphone on board the Perseverance rover. The chance discovery is direct evidence of a form of ...

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...

Long before Orson Welles provoked a panic with his 1938 radio broadcast of a Martian invasion in War of the Worlds, we were fascinated with the possibility of life on the Red Planet. We may be a step ...